Doss DHF42PC User manual

HAND-FREE COLOR
VIDEO DOORPHONE

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1. Brief introduction
2. Functions
3. Descriptions as illustrated
4. Preparations before installation
5. Installation
6. Wire connection
7. Operation
8. Note
9. Trouble shooting
10. Specifications
TABLE OF CONTENTS

1
1. Brief introduction
Thanks for using our products, the four wire system video
doorphone is a luxury used to unitary flat for safety. It used advanced
technology and newest chipset, which improves the stability of the
system and far distance. The system has the function such as:
hand-free surveillance, visible phone, lock control, infrared vigil,
auto turn off, and so on. The system has multi tie-in function such as
one camera to one monitor, one to two, two to one, two to two and
,
one to three. Which satisfied by customer s require for different villa.
The products is faddish, goodliness, generous, thinner and
hanging on the wall, portable, take less place, which as a adornment.
The function is dependable and easy to use, it is the perfect family
burglarproof facility and widely used in unitary flat, villa, office and
public building, which is the best present for your friend.
For the sake of your safety, please use series burglarproof facility!
It will make your life safe and easy!

2. Functions
Powerful function
Hand-free surveillance, auto display while calling, visible phone, lock
control, infrared vigil, .Auto switching
High solution picture
Using the high resolution camera and 4 inch TFT LCD color digital screen.
The resolution is 320 RGB 240. The picture is clear, nice, colorful and
steady.
Conveniency in installation
It is very simple to install, easily using and maintain.
Thinner for hanging on the wall
Faddish, thinner for hanging on the wall, generous, portable, take less
place, which as a adornment.
The system can be installed in multi tie-in manners as one camera to one
monitor, one to two, two to one, two to two and one to three. It can satisfy
the kinds of villa.
Multi Connection
Infrared vigil: the system also can watch anything and see the visitor
clearly at night. Sure who is there before unlock, which is safer.
Security
2

Indicator
A B CD
Microphone
Camera
Call Button
Camera Up/Down
Adjust knob
Loudspeaker
Infrared LED
The in-set infrared LED
enable you to distinguish
the visitor under the
insufficient light.
When the visitor press this button,
the visitor s picture will be displayed
on the monitor and the chord ring
will remind you the visitor s coming
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3. Descriptions as illustrated
1. Indoor-monitor
2. Camera
Screen
Front side
Loudspeaker Every household
intercom button
Monitor/answer
button
Unlock button
Hand free
microphone
Planform
Chord ring
Power on/off
Rintone volume adjust
Brightness adjust
Communication volume adjust

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5. Installation
4. Preparations before installation
Check the pack
Indoor monitor Camera Camera accessory Monitor bracket
Operation manual AC adapter Wire Screw
HAND-FREECOLOR
VIDEODOORPHONE
1. System diagram
4 wire
Camera
2 wire
Indoor monitor
2 wire
AC:110-240V~
Electric
Lock

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5. Installation
145cm 160cm
2. Installation of the monitor
The optimum height of the monitor for installation
is 145cm 160cm from the centre of the screen
of themonitor to the ground. (This data provides
to consult only)
Please follow the below steps before installation:
1. Take two bolts fix the bottom piece on the wall and then install the monitor
Monitor
Wall
2. Push indoor unit to mount bracket from the top dowm.
In case to pull out the indoor unit, please follow the step 1 and 2.

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Positioning
5. Installation
3. Installation of the camera
about 180cm
about 110cm
about 80cm
Wall
Notice:
Do not install the camera on the places under the sunshine. If the street
light or other light reflect at the back of the visitor, you need to install lamps
to make the picture more clearer.

6. Wire connection
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1. Diagram of one to one
2. Diagram of one to two
CCDDAABB
Camera
GA V B+
Yellow Red Black White
Black wire for ground wire
White wire for audio wire
Yellow wire for video wire
Red wire for power wire
Monitor
G
Black
V
Yellow
B+
Red
A
White
Electric
Lock
CCDDAABB
Camera
GA V B+
Yellow Red Black White
Black wire for ground wire
White wire for audio wire
Yellow wire for video wire
Red wire for power wire
Electric
Lock
G
Black
V
Yellow
B+
Red
A
White
G
Black
V
Yellow
B+
Red
A
White
Monitor 1
Monitor 2

3. Diagram of one to three
6. Wire connection
CCDDAABB
Camera
GA V B+
Yellow Red Black White
Black wire for ground wire
White wire for audio wire
Yellow wire for video wire
Red wire for power wire
Electric
Lock
G
Black
V
Yellow
B+
Red
A
White
G
Black
V
Yellow
B+
Red
A
White
G
Black
V
Yellow
B+
Red
A
White
Monitor 1
Monitor 2
Monitor 3
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CCDDAABB
GA V B+
Yellow Red Black White
Camera 1
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6. Wire connection
4. Diagram of two to one
Notice
1. Before install, please plug off the power supply cord. And plug the power supply
cord after installation.
2. The length connecting wire between the camera and the monitor must be less than
100 metres.
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3. For the clear picture, it is recommended to use the copper wire of 4 0.75mm .
CCDDAABB
GA V B+
Yellow Red Black White
Black wire for ground wire
White wire for audio wire
Yellow wire for video wire
Red wire for power wire
G
Black
V
Yellow
B+
Red
A
White
Monitor
Electric
Lock 1
Camera 2
Electric
Lock 2

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6. Wire connection
5. Diagram of two to two
CCDDAABB
GA V B+
Yellow Red Black White
Camera 2
CCDDAABB
GA V B+
Yellow Red Black White
Camera 1
Electric
Lock 1
Electric
Lock 2
Black wire for ground wire
White wire for audio wire
Yellow wire for video wire
Red wire for power wire
G
Black
V
Yellow
B+
Red
A
White
Monitor 1
G
Black
V
Yellow
B+
Red
A
White
Monitor 2

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7. Operation
Calling by the visitor
While the visitor press the Call button, the Ding Dong sound will be
heard from the indoor monitor, and the picture of the visitor is displayed
on the monitor screen. If no people at home or fail to press
button in time, the screen will be closed automatically at 60
seconds.
When seeing the picture of the visitor, press the button
to communicate with the visitor, and press the button again to turn off
the monitor. If the communicate continue over 60 seconds, the screen
will be closed automatically.
You can press the Unlock button to open the door and let the visitor in.
In house intercom:
While standby mode, click "intercom" button, thereafter, the other indoor
monitors will Ring, and they can pick up the handset or click answer
button to communicate.
(PS.: there must be more than one indoor monitor to be connected in the
system to achieve this function)
Stakeout
While standby state, press the Monitor button to display the outdoor
picture.
Other operation
If you think the monitor volume is not applicable or the picture shown on
the screen is too light or too dark, you can adjust the Communication
volume, Brightness and Rintone volume knob to reach pleased effect of
volume and picture.
Monitor/
Monitor/
answer
answer

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7. Operation
Press the Call button by
the visitor.
The picture of the visitor
is displayed on the
monitor screen.
Press the Unlock button
to open the door.
Press the answer
button to communicate
with the visitor.
Monitor/
On standby, press the
Monitor/ button
then the outside picture
is in stakeout.
answer
It is me!
Who is it?

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Detergent
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8. Note
As illustrated
Do not put the doorphoe near
the strong magnetic places.
Do not spray water
or liquid to the video
doorphone directly.
Do not shock the video
doorphone
Do not try to dismantle the
doorphone, as the high voltage
is inside it.
Plug off the power
cord while not use
for a long time.
Do not expose video phone to the
sunshine or strong reflection ray.
Do not installed the doorphone
near any ammonia or poisonous
gas.
Do not insert plugs into
a socket to be filled.
(This will be caused a
fire or short circuit)
Do not try to dismantle the
machine while failure to
function. Please contact with
the local service.
Do not wipe the machine
with detergent or other
chemic impregnant.

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DC13.5V
1Vp_p
-10 +55
-15 +50
127(L) 95(W) 35(H) mm
Indoor-monitor
Power Supply
Power Consumption
Screen
Resolution
Brightness
Video Input
Cutoff-Time
Mike Sensitivity
Operation Temperature
Call Tone
External Dimension
Standby: 1W; Working: 8W
4 TFT color digital screen"
Stakeout: 1 minute; Conversation: 1 minute
Outdoor-camera
Power Supply
Power Consumption
Imagery Angle
Lamp-house at Night
Operation Temperature
External Dimension
Infrared LED
Diagonal: about 53
Working: 2W
DC 12V(supplied by the monitor)
10. Specifications
9. Trouble shooting
1. No sound while calling
a. The connection cable between monitor and camera is loose.
b. The volume has be turned to the end.
2. Unclear image
Please check if the brightness is turned to too down, please adjust the
brightness knob.
3. Can not unlock
The wire of unlock is unconnected or short circuit.
2
250cd/m
chord ring
320 RGB 240
-36dB
180(L) 122(W) 23(H)mm

Warning:
To prevent injury, this apparatus must be securely attached to the
floor/wall in accordance with the installation instructions.
The mains plug is used as the disconnect device, the disconnect
device shall remain readily operable, and it shall be disconnected
from the mains completely.
The plug is used as disconnect device form the mains supply, the
plug shall remain readily operable.
The apparatus should not be exposed to dripping or splashing and
that no objects filled with liquids, such as vases, shall be placed on
the apparatus.
No naked flame sources, such as lighted candles, should be placed
on the apparatus.
Notice:
Due to continuing improvements, the features and design are
subject to change without notice.
This manual is only intended for reference. No further notice is
available to any modification of all information contained therein.
For the imprecision, mistake or misprint in the manual, will be
explained by the producer only.
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Door Guard
Warehouse
Baby Room
Gate Switch
Visitor Door
Night Vision
Inter-com
Office
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